Which of the following is best described as an inclined plane twisted into a spiral?

A.

a pulley

B.

a screw

C.

a wheel and axle

D.

a wedge

Microwave ovens heat food through the process of

Sam-I-Am goes 45 mi/h for 2 hours. How far did he travel in that time? SHOW WORK!

Is mercury a terrestrial or gaseous planet

Which is an example of an element A.) Salt B.) Water C.) Silver D.) Electron

Which of the following describes scientific law

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous